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Lecture 17: Chapter 35 (Diffraction)

Thin film interference

Consider two identical microscopic slides in air illuminated with light from a laser. The bottom slide is rotated upward so that the wedge angle gets a bit smaller. What happens to the interference fringes?

spaced farther apart
spaced closer together
no change

-  ⇤ ← Revision 1 as of 10:23AM, Mar 06, 2014 → 
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+== Thin film interference ==

Consider two identical microscopic slides in air illuminated with light from a laser. The bottom slide is rotated upward so that the wedge angle gets a bit smaller. What happens to the interference fringes?

 A. spaced farther apart
 A. spaced closer together
 A. no change